diff options
| -rw-r--r-- | drivers/net/vxlan.c | 14 | ||||
| -rw-r--r-- | include/linux/netdevice.h | 1 | ||||
| -rw-r--r-- | include/net/vxlan.h | 6 |
3 files changed, 12 insertions, 9 deletions
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index c2e22c2532a1..6fb93b57a724 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -2527,7 +2527,7 @@ static struct device_type vxlan_type = { * supply the listening VXLAN udp ports. Callers are expected * to implement the ndo_add_vxlan_port. */ -void vxlan_get_rx_port(struct net_device *dev) +static void vxlan_push_rx_ports(struct net_device *dev) { struct vxlan_sock *vs; struct net *net = dev_net(dev); @@ -2536,6 +2536,9 @@ void vxlan_get_rx_port(struct net_device *dev) __be16 port; unsigned int i; + if (!dev->netdev_ops->ndo_add_vxlan_port) + return; + spin_lock(&vn->sock_lock); for (i = 0; i < PORT_HASH_SIZE; ++i) { hlist_for_each_entry_rcu(vs, &vn->sock_list[i], hlist) { @@ -2547,7 +2550,6 @@ void vxlan_get_rx_port(struct net_device *dev) } spin_unlock(&vn->sock_lock); } -EXPORT_SYMBOL_GPL(vxlan_get_rx_port); /* Initialize the device structure. */ static void vxlan_setup(struct net_device *dev) @@ -3283,20 +3285,22 @@ static void vxlan_handle_lowerdev_unregister(struct vxlan_net *vn, unregister_netdevice_many(&list_kill); } -static int vxlan_lowerdev_event(struct notifier_block *unused, - unsigned long event, void *ptr) +static int vxlan_netdevice_event(struct notifier_block *unused, + unsigned long event, void *ptr) { struct net_device *dev = netdev_notifier_info_to_dev(ptr); struct vxlan_net *vn = net_generic(dev_net(dev), vxlan_net_id); if (event == NETDEV_UNREGISTER) vxlan_handle_lowerdev_unregister(vn, dev); + else if (event == NETDEV_OFFLOAD_PUSH_VXLAN) + vxlan_push_rx_ports(dev); return NOTIFY_DONE; } static struct notifier_block vxlan_notifier_block __read_mostly = { - .notifier_call = vxlan_lowerdev_event, + .notifier_call = vxlan_netdevice_event, }; static __net_init int vxlan_init_net(struct net *net) diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index a3bb534576a3..d4c8cd424f8d 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -2244,6 +2244,7 @@ struct netdev_lag_lower_state_info { #define NETDEV_BONDING_INFO 0x0019 #define NETDEV_PRECHANGEUPPER 0x001A #define NETDEV_CHANGELOWERSTATE 0x001B +#define NETDEV_OFFLOAD_PUSH_VXLAN 0x001C int register_netdevice_notifier(struct notifier_block *nb); int unregister_netdevice_notifier(struct notifier_block *nb); diff --git a/include/net/vxlan.h b/include/net/vxlan.h index d442eb3129cd..673e9f9e6da7 100644 --- a/include/net/vxlan.h +++ b/include/net/vxlan.h @@ -390,13 +390,11 @@ static inline __be32 vxlan_compute_rco(unsigned int start, unsigned int offset) return vni_field; } -#if IS_ENABLED(CONFIG_VXLAN) -void vxlan_get_rx_port(struct net_device *netdev); -#else static inline void vxlan_get_rx_port(struct net_device *netdev) { + ASSERT_RTNL(); + call_netdevice_notifiers(NETDEV_OFFLOAD_PUSH_VXLAN, netdev); } -#endif static inline unsigned short vxlan_get_sk_family(struct vxlan_sock *vs) { |